Android(安卓)本地推送消息到通知栏 NotificationManager 、注册Android(安卓)Service

转于：http://blog.csdn.net/huutu/article/details/12977645

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Android Service ，在退出程序之后，仍然留在后台作为服务项做一些事情，比如说监听用户输入之类的。。。。

这里用来做后台的消息推送，像游戏中的广告可以这么做。

Android工程里面有两个Activity、一个Service重写。

MainActivity 是进入游戏的界面。

SecondActivity 是打开通知，点击推送的消息打开的Activity 。

push_service 是重写的Service 。

MainActivity

[java] view plain copy

packagecom.example.androidnotification;
importandroid.os.Bundle;
importandroid.R.integer;
importandroid.app.Activity;
importandroid.app.Notification;
importandroid.app.NotificationManager;
importandroid.app.PendingIntent;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.util.Log;
importandroid.view.Menu;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
publicclassMainActivityextendsActivity{
privateButtonbutton1;
privateButtonbutton2;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//获取到通知管理器
NotificationManagermNotificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
//定义内容
intnotificationIcon=R.drawable.icon;
CharSequencenotificationTitle="测试通知栏--title";
longwhen=System.currentTimeMillis();
Notificationnotification=newNotification(notificationIcon,notificationTitle,when);
notification.defaults=Notification.DEFAULT_ALL;
Intentintent=newIntent(MainActivity.this,SecondActivity.class);
PendingIntentpendingIntent=PendingIntent.getActivity(MainActivity.this,0,intent,0);
notification.setLatestEventInfo(this,"测试展开title","测试展开内容",pendingIntent);
if(notification!=null)
{
Log.e("notifacation","notifacationisok");
mNotificationManager.notify(1000,notification);
}
button1=(Button)findViewById(R.id.button1);
button1.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewarg0){
//TODOAuto-generatedmethodstub
IntentpushIntent=newIntent("com.example.androidnotification.push_service");
startService(pushIntent);
}
});
button2=(Button)findViewById(R.id.button2);
button2.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
//TODOAuto-generatedmethodstub
MainActivity.this.finish();
}
});
}
@Override
publicbooleanonCreateOptionsMenu(Menumenu){
//Inflatethemenu;thisaddsitemstotheactionbarifitispresent.
getMenuInflater().inflate(R.menu.main,menu);
returntrue;
}
}

打开程序的时候发送了一个通知。。。

主要就是获取到通知管理器然后新建一个通知，然后发送这个通知！。。。

SecondActivity

[java] view plain copy

packagecom.example.androidnotification;
importandroid.app.Activity;
importandroid.os.Bundle;
publicclassSecondActivityextendsActivity{
@Override
protectedvoidonCreate(BundlesavedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.secondactivity);
}
}

第二个Activity只是为了存在而存在，没有啥不懂。。

push_service

重写了Service ，注册一个Service 。。

[java] view plain copy

packagecom.example.androidnotification;
importandroid.app.Activity;
importandroid.app.Notification;
importandroid.app.NotificationManager;
importandroid.app.PendingIntent;
importandroid.app.Service;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.os.Handler;
importandroid.os.IBinder;
importandroid.util.Log;
publicclasspush_serviceextendsService{
@Override
publicIBinderonBind(Intentarg0){
//TODOAuto-generatedmethodstub
returnnull;
}
@Override
publicvoidonCreate()
{
super.onCreate();
Log.i("push_service","push_serviceonCreate");
}
@SuppressWarnings("deprecation")
@Override
publicvoidonStart(Intentintent,intstartId)
{
super.onStart(intent,startId);
Log.i("push_service","push_servicestart");
newThread(newRunnable(){
@Override
publicvoidrun(){
//TODOAuto-generatedmethodstub
try{
for(inti=0;i<100;i++){
Thread.sleep(3000);
Log.i("push_service","push_serviceforeach");
//获取到通知管理器
NotificationManagermNotificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
//定义内容
intnotificationIcon=R.drawable.icon;
CharSequencenotificationTitle="测试通知栏--title";
longwhen=System.currentTimeMillis();
Notificationnotification=newNotification(notificationIcon,notificationTitle,when);
notification.defaults=Notification.DEFAULT_ALL;
Intentintent=newIntent(getApplicationContext(),SecondActivity.class);
PendingIntentpendingIntent=PendingIntent.getActivity(getApplicationContext(),0,intent,0);
notification.setLatestEventInfo(getApplicationContext(),"测试展开title","测试展开内容",pendingIntent);
if(notification!=null)
{
Log.e("notifacation","notifacationisok");
mNotificationManager.notify(1000+i,notification);
}
}
}catch(InterruptedExceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
}
}).start();
}
@Override
publicvoidonDestroy()
{
super.onDestroy();
Log.i("push_service","push_servicedestroy");
}
}

嗯，把发送通知的代码复制到这里循环几百次。。用来测试退出程序后服务是不是还在跑着。

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